Anti-Fascist Struggle Day is a national holiday and celebration in Croatia. It is celebrated on June 22, as it marks the beginning of the uprising of Croatian anti-fascist Partisans against German and Italian occupying forces, that started with the forming of the First Sisak Partisan Detachment on June 22, 1941 near Sisak, Croatia.
(... from Wikipedia on 2012-04-17 15:12:14)